Home / 15,073.55-20,777.53-11,881.67

Finding the Fourth Proportional to 15,073.55, 20,777.53 and 11,881.67

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Solution

The fourth proportional to 15,073.55, 20,777.53 and 11,881.67 is: 16,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,073.55 : 20,777.53 = 11,881.67 : x
  2. Step 2: Convert to fraction form
    15,073.55/20,777.53 = 11,881.67/x
  3. Step 3: Cross multiply
    15,073.55x = 20,777.53 × 11,881.67
  4. Step 4: Simplify right side
    15,073.55x = 246,871,591.58
  5. Step 5: Solve for x
    x = 246,871,591.58/15,073.55
  6. Step 6: Final answer
    x = 16,377.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.